Discussion Starter · #1 ·
I'm trying to help my Transit run cooler when towing and to that end, I see a part #DK4Z6A642A , called out by Ford as engine oil cooler. The part looks similar to aftermarket spin-on oil cooler adapters. I can't remember seeing this part when I changed my oil six months ago and I'm not at home to verify. Is this part on all Transits or is it optional?
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